Article
BRAF inhibitor resistance enhances vulnerability to arginine deprivation in melanoma.
Oncotarget - 5 Apr 2016
Li Ying-Ying, Wu Chunjing, Chen Shu-Mei, Shah Sumedh S, Wangpaichitr Medhi, Feun Lynn G, Kuo Macus T, Suarez Miguel, Prince Jeffrey, Savaraj Niramol
Abstract excerpt
BRAF inhibitor (BRAFi) has been used for treatment of melanomas harboring V600E mutation. Despite a high initial response rate, resistance to BRAFi is inevitable. Here, we demonstrate that BRAFi-resistant (BR) melanomas are susceptible to arginine deprivation due to inability to initiate re-expression of argininosuccinate synthetase (ASS1, a key enzyme for arginine synthesis) as well as ineffective autophagy....
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